July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit Description

The SUB-TP sensor is similar to the main TP sensor. SUB-TP sensor is used for Traction Control System (TRAC). DTC is set when ECM consistently detects less than .1 volt from VTA2 circuit and closed SUB-TP switch is off. DTC will also set if ECM detects more than 4.9 volts from circuit VTA2. Possible causes are:

Open or short in SUB-TP sensor circuit.
SUB-TP sensor.
ECM.